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Add a section on hbase versioning referring to old 0.89 notes and discussing Development Series releases like 0.89 and 0.95 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1463403 13f79535-47bb-0310-9956-ffa450edef68
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Michael Stack 2013-04-02 06:48:22 +00:00
parent 9f5498bebc
commit 84282838f3
1 changed files with 26 additions and 2 deletions
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28
hbase-assembly/src/docbkx/upgrading.xml
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@ -28,11 +28,35 @@
-->
<title>Upgrading</title>
<para>You cannot skip major verisons upgrading. If you are upgrading from
version 0.20.x to 0.92.x, you must first go from 0.20.x to 0.90.x and then go
from 0.90.x to 0.92.x.</para>
version 0.90.x to 0.94.x, you must first go from 0.90.x to 0.92.x and then go
from 0.92.x to 0.94.x.</para>
<para>
Review <xref linkend="configuration" />, in particular the section on Hadoop version.
</para>
<section xml:id="hbase.versioning">
<title>HBase version numbers</title>
<para>HBase has not walked a straight line where version numbers are concerned.
Since we came up out of hadoop itself, we originally tracked hadoop versioning.
Later we left hadoop versioning behind because we were moving at a different rate
to that of our parent. If you are into the arcane, checkout our old wiki page
on <link xlink:href="http://wiki.apache.org/hadoop/Hbase/HBaseVersions">HBase Versioning</link>
which tries to connect the HBase version dots.</para>
<section xml:id="hbase.development.series"><title>Odd/Even Versioning or "Development"" Series Releases</title>
<para>Ahead of big releases, we have been putting up preview versions to start the
feedback cycle turning-over earlier. These "Development" Series releases,
always odd-numbered, come with no guarantees, not even regards being able
to upgrade between two sequential releases (we reserve the right to break compatibility across
"Development" Series releases). Needless to say, these releases are not for
production deploys. They are a preview of what is coming in the hope that
interested parties will take the release for a test drive and flag us early if we
there are issues we've missed ahead of our rolling a production-worthy release.
</para>
<para>Our first "Development" Series was the 0.89 set that came out ahead of
HBase 0.90.0. HBase 0.95 is another "Development" Series that portends
HBase 0.96.0.
</para>
</section>
</section>
<section xml:id="upgrade0.96">
<title>Upgrading from 0.94.x to 0.96.x</title>
<subtitle>The Singularity</subtitle>